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SEM(4)

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NAME    [Toc]    [Back]

     sem -- POSIX semaphores

SYNOPSIS    [Toc]    [Back]

     To link into the kernel:

	   options P1003_1B_SEMAPHORES

     To load as a kernel loadable module:

	   kldload sem

DESCRIPTION    [Toc]    [Back]

     The sem facility provides system calls used by the standard C library
     (libc) to implement POSIX semaphores.  It is available both as a kernel
     option for static inclusion and as a dynamic kernel module.

SEE ALSO    [Toc]    [Back]

      
      
     sem_destroy(3), sem_getvalue(3), sem_init(3), sem_open(3), sem_post(3),
     sem_wait(3), config(8), kldload(8), kldunload(8)

HISTORY    [Toc]    [Back]

     The sem facility appeared as a kernel option in FreeBSD 3.0.  The sem
     kernel module appeared in FreeBSD 5.0.


FreeBSD 5.2.1		       January 14, 2003 		 FreeBSD 5.2.1
[ Back ]
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